根治性前列腺或膀胱切除术时,经常发生耻骨后背静脉大量出血,看不清解剖标志,止血困难。增加手术并发症。阴茎背深静脉穿过尿生殖横膈后分为2支,浅支在耻骨前列腺韧带之间通过,覆盖于前列腺及膀胱颈部侧支在后右横过,并与阴部静脉、闭孔静脉及膀胱静脉相交通。方法尿道膀胱内留置气囊导尿管,下腹部正中腹膜外切口,在邻近前列腺及膀胱两侧分开盆内筋膜,钝性分离前列腺尖端及膜部尿道,从耻骨下缘穿进改良的尖端带孔的Van Buren探针,示指在前列腺一侧进入盆内筋膜,触及探针尖端后,引导探针从尿道旁穿过尿生殖横膈至盆内,1号缝线穿孔针孔,退出探针时将缝线一端从耻骨下引出,再用同样方法将缝线另一端 Radical prostate or cystectomy, often massive bleeding of the pubic symphysis, can not see the anatomical signs, bleeding difficulties. Increase surgical complications. Penile dorsal veins through the genitourinary diaphragm is divided into 2, superficial branch between the pubic prostate ligament through, covering the prostate and bladder neck lateral branch in the right after crossing, and the genitals veins, obturator veins and Bladder vein traffic. Methods The urethral bladder catheter was placed in the bladder and the middle abdominal epigastric incision in the lower abdomen. The pelvic fascia was separated in the vicinity of the prostate and the bladder. The prostatic tip and the urethra of the membrane were bluntly dissected. Holes Van Buren probe, which refers to the side of the prostate into the pelvic fascia, touches the tip of the probe, the guide probe from the urethra through the genitourinary diaphragm to the basin, No. 1 suture needle perforation, exit One end of the needle when the needle leads from the pubis, and then the same way the other end of the suture